/*
 * Copyright (c) 2019 Baidu, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
package com.baidu.cloud.starlight.api.transport;

import com.baidu.cloud.starlight.api.exception.TransportException;
import com.baidu.cloud.starlight.api.model.Request;
import com.baidu.cloud.starlight.api.rpc.callback.RpcCallback;
import com.baidu.cloud.starlight.api.transport.channel.RpcChannel;
import com.baidu.cloud.starlight.api.transport.channel.RpcChannelGroup;

/**
 * Client Peer: Netty Client Use {@link RpcChannel} to communicate with ServerPeer Created by liuruisen on 2019/11/27.
 */
public interface ClientPeer extends Peer {

    /**
     * get Channel
     * 
     * @return RpcChannel: Client Channel manager: Short Long Pool
     */
    RpcChannelGroup getChannelGroup();

    /**
     * Use {@link RpcChannel} to Connect to ServerPeer
     */
    void connect();

    /**
     * Use {@link RpcChannel} to send message Callbacks will be stored in RpcChannel
     * 
     * @param request
     * @param callback async {@link RpcCallback}
     */
    void request(Request request, RpcCallback callback) throws TransportException;

}
